Butt hinge and tenon mortiser



Jan. 27, 1959 w. s.- HlETT BUTT HINGE AND TENoN MORTISER 2 Sheets-Sheefl1 Filed March 26, 1956 INVENTR. l'llim/Yie ATTO R N EYB Jan. 27, 1959 w.s. HIETT BUTT HINGE AND TENON MORTISER Filed March 2e, 1956 2Sheets-Sheet 2 IN VEN TOR.

-W//im Maw' A'ITD R N EYS United States atent O BUTT HINGE AND TENONMQRTISER William S. Hiett, Eastaboga, Ala.

Application March 26, 1956, Serial No. 573,934

This invention relates to tools used by carpenters in hanging doors, andin particular a cutting blade having sharp cutting edges on one side andon both edges slidably mounted in a clamp adapted to be mounted on theedge of a door and a hand lever for actuating the blade whereby with theclamp temporarily secured on the edge of a door the blade is actuated bythe hand lever to remove material from the door to provide a recess forreceiving a hinge plate.

The purpose of this invention is to facilitate hanging doors byproviding a tool for cutting recesses for plates of conventional hingeswhereby a recess is formed with a single stroke of a hand lever andwherein recesses for plates of butt hinges may be accurately positionedon doors and door jambs.

In the conventional method of hanging doors it is necessary to tit adoor to a door jamb and after marking locations for hinges of the doorrelatively thin layers of material are removed with a hammer and chiselto provide means for mounting the hinge plates on both the door and jambwith the surfaces of the plates ilush with the end surface of the doorand face of the door jamb. In numerous instances the hinge plates extenda considerable distance across the edge of the door, leaving only acomparatively narrow strip, and where a hammer and chisel are used toremove the material from the recess the remaining strips are oftendamaged and, in some cases, accidently removed. HangingI doors with ahammer and chisel requires skill as the depth of the recess must beexactly the same as the thickness of the hinge plate to prevent leavingan air space between the door and jamb or tov prevent springing thehinges.

With these thoughts in mind this invention contemplates a cutting blade,in the form of a chisel and having sharp cutting surfaces aty the ends,a frame including a clamp. for, temporarily securing the blade inposition at one side of a door and ahand lever pivotally mounted on theframe and connected to the yblade for actuating the blade to remove thematerial from the door or jamb.

The object of this invention is, therefore, to provide a cutting bladeand means for mounting the blade on one side of a door wherebytheblade's adapted to be actuated to remove material from an edge of a doorto provide a hinge plate receiving recess in the edge of the door.

Another object of theinvention is to providea hinge plate recess formingtool with which hinge plate receiv-y ing recesses may be accuratelyformed in doors and door jambs by unskilled operators.

Another important object of the invention is to provide a tool forcutting recesses for hinge plates in doors and door jambs in which thetool is adjustable to correspond with hinges of different sizes.

A further object of the invention is to provide a mortise and tenon toolfor removing material from edges of doors and door jambs to providerecesses for hinge plates in which the tool is of a simple andeconomical construction.

With these and other objects and advantages in view the inventionembodies a substantially channel-shaped lii 2,870,804 Pftented Jan. 27,1959 frame having a stationary -bar extended transversely across oneend, a movable bar slidably mounted on the frame and adapted to beactuated by a threaded rod for clamping the door against the stationarybar, a knife blade having a sharp cutting edge on one side and similarcutting edges on the edges slidably mounted in one end of the frame, anda hand lever pivotally mounted on the frame and connected to the cuttingblade for manually actuating the blade.

Other features and advantages of the invention will appear from thefollowing description taken in connection with the drawings, wherein: yv

Figure l is a plan view of the improved hinge plate mortise and tenonmounting tool with parts broken away and with a hand lever for actuatingthe cutting blade shown in full lines with the'blade withdrawn and inbroken lines with thel blade extended into the hinge -plate receivingrecess.

Figure 2 isa longitudinal section through the mortise and tenori cuttingtoolv taken on line 2 2 of Fig, l and showing the device clamped on anedge of a door.

Figurey 3 is a view looking upwardly toward the under surface of thetool showing the tool with parts broken away and with the door uponwhich the tool is clamped shown in section.

Figure 4 is a cross' section through the movable bar of the tool takenon line 4 4 of Fig; 3.'

Figure 5 is a similar cross section through the tool taken on line 5 5of Fig. 3 showing the movable bar mounting. J

Figure 6 is a cross section through the outer end of the frame taken online 6 6 of Fig. 3 showing the mounting of the threaded rod on the endof which a hand wheel is-positioned.

Figure 7 is a perspective view illustrating the' cutting blade of thetool.

Figure 8 is a longitudinal section through'the intermediate part of thehand lever taken on line 8 8 of Fig. l showing a pin for retaining thehand lever in an extended position, the said pin also permitting thehand lever to fold to a nested position for packing and shipping.

Figure 9 is a perspective view showing a severingv knife for trimmingsurfaces of a door against which the metal parts of the frame are to bepositioned to facilitate accurate positioning of the tool on the door.

Figure l0 is a longitudinal section through the severing knife taken online 10 10 of Fig. 9.

Referring now to the drawings wherein like reference characters denotecorresponding parts the improved' moi'- tise'and tenon butt hinge recessforming tool of this invention includes a cutting blade`10 having acutting edge 11 onv one side with shortl cutting blades 12 and 13 attheY edges, a mounting frame having spaced parallel angle bars 14 and 15connected at one end of the frame with a transversely disposed angle bar16 and at the other with Va similarly positioned angle or end bar 17, a'threaded rod 18 threaded in a hub'19 in a flange 20 of the angle bar 17and havinga hand wheel 21 on the extended end, the opposite end of thethreaded rod being rotatably mounted in a collar 22 secured bya boltV 23in a flange 24 of the collar to a movable cross bar 25' the angle andcross bar having horizontally disposed webs with vertically positionedlegs, a hand lever 26 pivotally mounted on one end of the transverselypositioned angle bar 16 with a bracket or'link 27 and pivotallyconnected to the knife blade 10 with a pin 28, a handle 29 pivotallymounted on an offset end 30 of the lever 26 with a pin 31, andv a stop32 adjustably mounted on the bar 16 and positioned to be engaged by thehand lever 26 to limit movement of the handV lever and cutting blade.

The blade 10 is provided with a continuous cutting edge 11 that shavesmaterial from a recess in an edge of 4a blade are formed of which thecutting blades 12 and 13 are positioned and as the blade is forced intothe edge of a piece of material, such as a door or jamb'the'edg'eV 11cuts the base of a recess and the sharp edges 12 and 13 cut across thegrain at the ends of the recess providing relatively smooth endsurfaces. By this means it is possible to `cut the material from -theedge of a door or door jamb in a single operation and a recess cut bythe blade is provided with square corners and right angularly positionedside and end surfaces. A butt hinge plate is, therefore, readilypositioned in the recess. The opposite end of the blade 1t) is providedwith spaced openings 3S and 36 which are positioned to receive the pin28 of the hand lever 26 whereby the position of the cutting blade inrelation to the strokeV or hand leverl is adjustable.

` The cutting blade is positioned to rest upon a horizontally disposedflange 37 of the angle bar 16 and the blade is positioned to slidebetween vertically disposed legs 38 and 39 of the angle bars 14 and 15.The depth of a recess cut by the blade 10 is determined by the thicknessof angularly shaped shims 40 and 41 which are secured betweenhorizontally disposed arms of the angle bars 14 and 15 and thehorizontally disposed section 37 of the angle bar 16, by bolts 42. Theblade is retained in position upon the section 37 of the angle bars 16with spacing plates 43 and 44 that are secured in position with capscrews 45.`

`The hand lever 26 is pivotally mounted by a pin 46 on the bracket 27and the bracket is pivotally mounted by Ya cap screw 47 on the section37 of the angle bar 16.

The bracket 27 is provided with a plurality of spaced openings 48 inwhich the-pinV 46 may be positioned to provide adjustment and with thebracket 27 free to swing about the cap screw 47 the pin 28 is adapted totravel in a straight line in alignment with the movement of the blade10. The outer portion of the hand lever 26 is provided with an opening49 that is positioned to register with a similar opening 50 in the end51 of the handle 29 whereby the handle may be retained in an outwardlyeX- tended position by the pin 54. The pin 54 is secured to the lever 26with a chain 52 and the `chain is secured to th'e lever with a keeper53. With the handle mounted in f this manner the pin 54 carried by thechain 52 is inserted through the openings 49 and 50 to retain the handle29 in an extended position Vand when it is desired to fold the handlethe pin 54 is removed and the handle folded against the lever.

The frame is provided with a bed plate 55 having elongated slots 56 and57 therein and the cross bar 25, which is slidably mounted on the anglebars 14 and 15 is secured in adjusted positions by a cap screw 58 whichextends through the slot 56 of the bed plate. An end 59 of thehorizontally disposed flange of the cross bar 25 {is'jbent over so thatit rests upon the upper surface of the horizontally disposed section ofthe cross bar and the 'opposite end of the cross bar is provided with aclip 60 which is secured to the cross bar with a cap screw 61 and theclip 60 is provided with an upwardly extended tongue 62 that ispositioned to slide longitudinally on the horizontally disposed arm ofthe angle bar 14.

The cross bar 25 is adapted to be actuated by the threaded rod 18 andupon rotation of the rod in one ldirection the cross bar 25 clamps anobject, such as a 4 tioned with inner surfaces thereof correspondingwith ends of the hinge plate recess'the blade 10 is driven inwardly bythe hand leverf and handle 29 whereby the material from the edge of thedoor is shaved from the door providing a recess which, as shown in Fig.l extends between the inner surfaces of the legs 38 and 39 of the bars14 and l5 and from the side of the door from which the blade 10 extendsinwardly to a line64 indicating the surface of the door and to the point64. The position of Y the bed plate is such that the end surfacecorresponds with the line 64, providing means for protecting thematerial of the door at the end of the cut. The inward movement of theblade is controlled by the clip angle 32, which forms a stop, the clipangle being mounted with a bolt or cap screw 65 in the section 37 of thebar 16, and the cap screw extending through a slot 66 in a ange 67 ofthe stop.

The thickness of the recess or slot cut in the material of the door iscontrolled by the guides or gauge plates 43 and 44 which are mountedwith the cap screws 45, the cap screws extending through slots 68 in thegauge plates and permitting the plates to be moved to correspond withthe thickness of the cutting blade or depth of the recess or' mortiser,which is indicated by the numeral 6)A In the design shown the width ofthe hinge plate extends across the door, leaving a relatively narrowstrip ,70 at the edge of the door, as shown in Fig. 2.

The tool may include a severing blade 71 secured by rivets 72 in asheath or holder 73 and the extended end of the blade is provided with asharp beveled edge 74 providing means for shaving or trimming surfacesof a door -or door jamb to facilitate accurate positioning of the toolon a door or jamb before cutting the recess.

The tool is designed to cut a mortise and tenon or hinge plate receivingrecesses in the edge of a door or in a door jamb and the parts areadapted to be reversed to cut from either side of the door or jamb. Theposition of the hand lever and handle is also adapted to be reversedwith the ends pivoted on the opposite side and the stop 32 moved to theside of the tool upon which the n handle was formerly pivotally mounted,the bar being provided with an'opening 75 that is positioned to receivea cap screw 65.

The tool is also ladapted for use in cutting recesses and the like inother devices and for Iother purposes.

It will be understood that modiiications, within the scope of the'appended claims, may be'made in the design and arrangement of the partswithout departing from the spirit of the invention.

What is claimed is:

l. A mortise and tenon forming tool comprising spaced parallel anglebars connected at one end with a transversely disposed stationary anglebar, an angle bar connecting the opposite ends of the parallel anglebars, a bed plate extended between the parallel angle bars, a movableIangle bar slidably mounted on the spaced parallel angle bars, anelongated threaded rod rotatably mounted in the movable angle bar andextended through a threaded element carried by said parallel anglebars', a handle on the extended end of the threaded rod for rotating therod to move the movable angle bar, selectively, against an objectpositioned against the stationary angle bar or away from said object, aknife having cutting edges on one side andboth edges slidably mounted onthe stationary angle bar and positioned between the parallel angle bars,a bracket pivotally mounted on the stationary angle bar, a foldinghandle pivotally connected to said bracket and also pivotally connectedto the knife ,for actuating the knife to shave material from Vthe edgeof a door clamped between the stationary and movable handle.

2. In a butt hinge and tenon mortiser, the combination which comprises apair of spaced angle bars having horizontally disposed webs withvertically positioned legs, the legs extended upwardly from the webs, atransversely disposed stationary angle bar extended across and securedto the ends of the pair of angle bars, the stationary angle bar having ahorizontally disposed web positioned against the webs of the parallellangle bars and a vertically disposed leg depending from one edge andformed to be positioned against one side of a door, a movable angle barpositioned parallel to the stationary angle bar and also having ahorizontally disposed web positioned against lower surfaces of the websof the parallel angle bars and a leg extended downwardly and positionedto coact with the leg of the stationary angle bar for clamping themortiser on a door, clips extended from the web of the movable angle barand overlapping the Webs of the parallel angle bars for supporting themovable angle bar upon the parallel angle bars, an end bar connectingends of the parallel angle bars opposite to the ends 4connected by thestationary angle bar, a screw threaded in the end bar and rotatablymounted in the movable angle bar, a hand wheel on the extended end ofthe screw for manually rotating the screw to adjust the position of themovable angle bar, a cutting blade having a sharp beveled cutting edgewith short cutting edges at the sides slidably mounted on the web of thestationary angle bar and positioned between the legs of the parallelangle bars, a link pivotally mounted on the web of the stationary anglebar, yand a hand lever having a pivotal connection therein pivotallymounted on the link and pivotally connected to the cutting blade foractuating the blade to cut a recess in the edge of a door upon which themortiser is positioned.

3. In a butt hinge and tenon mortiser, the combination which comprises apair of spaced bars, a transversely disposed stationary bar extendedacross and secured to the ends of the pair of bars, the stationary barbeing secured to the parallel bars and having an element depending fromone edge and formed to be positioned against one side of a door, amovable bar positioned parallel to the stationary bar and also having anelement extended downwardly and positioned to Coact with the dependingelement of the stationary bar, for clamping the mortiser on a door,clips extended from the movable bar and overlapping edges of theparallel bars for supporting the movable bar upon the parallel bars, anend bar connecting ends of the parallel bars opposite to the endsconnected to the stationary bar, a screw threaded in the end bar androtatably mounted in the movable bar, a hand wheel on the extended endof the screw for manually rotating the screw to adjust the position ofthe movable bar in relation to the stationary bar, a cutting bladehaving a sharp beveled cutting edge with short cutting edges at thesides slidably mounted on the stationary bar and positioned between theparallel bars, a link pivotally mounted on the stationary bar, a handlever having a pivotal connection therein pivotally mounted on the linkand pivotallyvconnected to the cutting blade for actuating the blade tocut a recess in the edge of a door upon which the mortiser ispositioned, and a stop adjustably mounted on the stationary bar andpositioned to be en` gaged by the hand lever for stopping the lever tolimit the movement of the cutting blade into the edge of the door.

References Cited in the le of this patent UNITED STATES PATENTS 483,677Scott Oct. 4, 1892 724,966 Strubel Apr. 7, 1903 944,047 Peterman Dec.21, 1909 1,005,336 Sherwood Oct. l0, 1911 1,715,902 Countryman June 4,1929 2,663,333 Brown Dec. 22, 1953 2,763,300 Comer Sept. 18, 19562,794,460 Grathwol June 4, 1957

